The question mark
- Question marks are used at the end of a direct question, as either the final punctuation, or within the sentence. There is no space between the question mark and the previous word.
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               Ex 
             | 
            How many students are in Sarah’s class? | 
| What did you say? Neither Sarah nor I could hear you. | 
- Indirect questions and requests do not use a question mark, but instead a period. Rhetorical questions should also be written with a period because the speakery does not expect an answer.
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               Ex 
             | 
            Would you please do the dishes. | 
| I wonder how I did on the exam. | |
| Why not. | |
| Are you crazy! |